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Process for the preparation of a graft copolymer comprising a polyolefin main chain and one or a multiple polymer side chains and the products obtained therefrom
Process for the preparation of a graft copolymer comprising a polyolefin main chain and one or a multiple polymer side chains and the products obtained therefrom
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机译:制备包含聚烯烃主链和一个或多个聚合物侧链的接枝共聚物的方法以及由此获得的产物
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摘要
The present invention relates to a cascade process for the preparation of a graft copolymer comprising a polyolefin main chain and one or a multiple polymer side chains. The process comprising step A) of copolymerizing at least one first type of olefin monomer and at least one second type of metal-pacified functionalized olefin monomer using a catalyst system to obtain a polyolefin main chain having one or multiple metal-pacified functionalized short chain branches, the catalyst system comprising: i) a metal catalyst or metal catalyst precursor comprising a metal from Group 3-10 of the IUPAC Periodic Table of elements; and ii) optionally a co-catalyst; and step B) of forming one or multiple polymer side chains on the polyolefin main chain having one or multiple metal-pacified functionalized short chain branches to obtain the graft copolymer.
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